| 橘光绿天牛危害九里香绿化球调查及防治 |
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| 引用本文： | 刘有莲,黄寿昌.橘光绿天牛危害九里香绿化球调查及防治[J].中国森林病虫,2003,22(2):16-18. |
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| 作者姓名： | 刘有莲 黄寿昌 |
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| 作者单位： | 广西生态工程职业技术学院,广西,柳州,545003 |
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| 摘 要： | 九里香绿化球受橘光绿天牛Chelidonium citri Grressitt为害3～4a后，受害株率90.7%，枝枯株率74.1%，虫口密度2.11，危害度31.5%，危害造成枝枯形成空洞平均宽度为61cm，占树冠平均周长的14.4%；枝枯形成空洞平均深度为68.4cm，占平均树高50.8%，植株受害与方向的关系为：植株东向受害最多，占受害总株数30%；中部枝枯形成空洞平均宽度占树冠平均周长比率最大，为22.9%；西南方向枝枯形成空洞平均深度最深，占平均高度的90.9%。植株周围阴湿，虫口密度大。
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| 关 键 词： | 橘光绿天牛 危害调查 防治 |
| 文章编号： | 1671-0886(2003)02-0016-03 |
| 修稿时间： | 2002年9月21日 |
Investigation on Chelidonium citri attacking Murraya paniculata and its control |
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| LIU You lian,et al..Investigation on Chelidonium citri attacking Murraya paniculata and its control[J].Forest Pest and Disease,2003,22(2):16-18. |
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| Authors: | LIU You lian |
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| Abstract: | Having been attacked by Chelidonium citri Grressitt for three to four years,the damage rate of Murraya paniculata(L.)was as high as 90 7% and the rate of trees having withering branches is 74 1%, theinsectdensityis 2 11,theextentofinjury 31 5 % .Suchaninjurymaycausewitheredbranchesshaped emptyholeswithanaveragewidenessof 6 1cm ,whichmakesup 14 4percentofthecrown saverage perimeter ,andanaveragedepthof6 8 4cm ,whichmakesup 5 0 8percentofthetree saverageheight.The relationshipbetweentheinjuryanddirectionsis :theplantsintheeastweremostseriouslyinjured ,whichis about 30 %ofallinjuredplants ;inthemiddlepart,therateoftheaveragewidenessofwitheredbranches shapedholestocrownaverageperimeterishighest,whichisabout 2 2 9% ;inthesouthwest,theaverage depth of witheredbranchesholes was highest,about 90 9% of the plants . |
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| Keywords: | Chelidoniumcitri injury survey control |
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